Veeam Backup & Replication up to 12.3.2.3617 Mount Service privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Veeam Backup & Replication up to 12.3.2.3617. It has been declared as critical. This affects an unknown part of the component Mount Service. Executing a manipulation can lead to Remote Privilege Escalation. The identification of this vulnerability is CVE-2025-48983. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Veeam Backup & Replication up to 12.3.2.3617. It has been declared as critical. This vulnerability affects some unknown processing of the component Mount Service. The manipulation with an unknown input leads to a remote privilege escalation vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the Mount service of Veeam Backup & Replication, which allows for remote code execution (RCE) on the Backup infrastructure hosts by an authenticated domain user.

The advisory is shared for download at veeam.com. This vulnerability was named CVE-2025-48983. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 270695 (Veeam Backup and Replication 12.x < 12.3.2.4165 Multiple Vulnerabilities (October 2025) (KB4771)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 12.3.2.4165 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (270695), EUVD (EUVD-2025-37229) and CERT Bund (WID-SEC-2025-2274). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Veeam Backup & Replication

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.4
VulDB Meta Temp Score: 9.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.9
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 270695
Nessus Name: Veeam Backup and Replication 12.x < 12.3.2.4165 Multiple Vulnerabilities (October 2025) (KB4771)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Backup & Replication 12.3.2.4165

Timelineinfo

10/14/2025 Advisory disclosed
10/14/2025 +0 days VulDB entry created
11/10/2025 +27 days VulDB entry last update

Sourcesinfo

Advisory: kb4771
Status: Confirmed

CVE: CVE-2025-48983 (🔒)
GCVE (CVE): GCVE-0-2025-48983
GCVE (VulDB): GCVE-100-328264
EUVD: 🔒
CERT Bund: WID-SEC-2025-2274 - Veeam Backup &amp; Replication: Mehrere Schwachstellen

Entryinfo

Created: 10/14/2025 17:13
Updated: 11/10/2025 10:21
Changes: 10/14/2025 17:13 (53), 10/14/2025 17:50 (7), 10/18/2025 08:56 (2), 10/31/2025 02:04 (1), 10/31/2025 10:48 (12), 11/10/2025 10:21 (1)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

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